From 8d0665327819c41fce2c8d50f19c967b22eae564 Mon Sep 17 00:00:00 2001
From: Weijie Gao <weijie.gao@mediatek.com>
Date: Wed, 27 Jul 2022 16:36:13 +0800
Subject: [PATCH 57/71] mtd: spi-nand: backport from upstream kernel

Backport new features from upstream kernel

Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
---
 drivers/mtd/nand/spi/Kconfig      |   1 +
 drivers/mtd/nand/spi/Makefile     |   2 +-
 drivers/mtd/nand/spi/core.c       | 102 ++++++----
 drivers/mtd/nand/spi/etron.c      | 181 +++++++++++++++++
 drivers/mtd/nand/spi/gigadevice.c | 322 ++++++++++++++++++++++++++----
 drivers/mtd/nand/spi/macronix.c   | 173 +++++++++++++---
 drivers/mtd/nand/spi/micron.c     |  50 ++---
 drivers/mtd/nand/spi/toshiba.c    |  66 +++---
 drivers/mtd/nand/spi/winbond.c    | 164 ++++++++++++---
 include/linux/mtd/spinand.h       |  87 +++++---
 10 files changed, 923 insertions(+), 225 deletions(-)
 create mode 100644 drivers/mtd/nand/spi/etron.c

--- a/drivers/mtd/nand/spi/Kconfig
+++ b/drivers/mtd/nand/spi/Kconfig
@@ -5,3 +5,4 @@ menuconfig MTD_SPI_NAND
 	select SPI_MEM
 	help
 	  This is the framework for the SPI NAND device drivers.
+
--- a/drivers/mtd/nand/spi/Makefile
+++ b/drivers/mtd/nand/spi/Makefile
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0
 
-spinand-objs := core.o gigadevice.o macronix.o micron.o toshiba.o winbond.o
+spinand-objs := core.o gigadevice.o macronix.o micron.o toshiba.o winbond.o etron.o
 obj-$(CONFIG_MTD_SPI_NAND) += spinand.o
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -17,6 +17,7 @@
 #include <linux/mtd/spinand.h>
 #include <linux/of.h>
 #include <linux/slab.h>
+#include <linux/string.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/spi-mem.h>
 #else
@@ -451,10 +452,11 @@ out:
 	return status & STATUS_BUSY ? -ETIMEDOUT : 0;
 }
 
-static int spinand_read_id_op(struct spinand_device *spinand, u8 *buf)
+static int spinand_read_id_op(struct spinand_device *spinand, u8 naddr,
+			      u8 ndummy, u8 *buf)
 {
-	struct spi_mem_op op = SPINAND_READID_OP(0, spinand->scratchbuf,
-						 SPINAND_MAX_ID_LEN);
+	struct spi_mem_op op = SPINAND_READID_OP(
+		naddr, ndummy, spinand->scratchbuf, SPINAND_MAX_ID_LEN);
 	int ret;
 
 	ret = spi_mem_exec_op(spinand->slave, &op);
@@ -464,18 +466,6 @@ static int spinand_read_id_op(struct spi
 	return ret;
 }
 
-static int spinand_reset_op(struct spinand_device *spinand)
-{
-	struct spi_mem_op op = SPINAND_RESET_OP;
-	int ret;
-
-	ret = spi_mem_exec_op(spinand->slave, &op);
-	if (ret)
-		return ret;
-
-	return spinand_wait(spinand, NULL);
-}
-
 static int spinand_lock_block(struct spinand_device *spinand, u8 lock)
 {
 	return spinand_write_reg_op(spinand, REG_BLOCK_LOCK, lock);
@@ -829,6 +819,7 @@ static const struct nand_ops spinand_ops
 };
 
 static const struct spinand_manufacturer *spinand_manufacturers[] = {
+	&etron_spinand_manufacturer,
 	&gigadevice_spinand_manufacturer,
 	&macronix_spinand_manufacturer,
 	&micron_spinand_manufacturer,
@@ -836,24 +827,63 @@ static const struct spinand_manufacturer
 	&winbond_spinand_manufacturer,
 };
 
-static int spinand_manufacturer_detect(struct spinand_device *spinand)
+static int spinand_manufacturer_match(struct spinand_device *spinand,
+				      enum spinand_readid_method rdid_method)
 {
+	u8 *id = spinand->id.data;
 	unsigned int i;
 	int ret;
 
 	for (i = 0; i < ARRAY_SIZE(spinand_manufacturers); i++) {
-		ret = spinand_manufacturers[i]->ops->detect(spinand);
-		if (ret > 0) {
-			spinand->manufacturer = spinand_manufacturers[i];
-			return 0;
-		} else if (ret < 0) {
-			return ret;
-		}
+		const struct spinand_manufacturer *manufacturer =
+			spinand_manufacturers[i];
+
+		if (id[0] != manufacturer->id)
+			continue;
+
+		ret = spinand_match_and_init(spinand,
+					     manufacturer->chips,
+					     manufacturer->nchips,
+					     rdid_method);
+		if (ret < 0)
+			continue;
+
+		spinand->manufacturer = manufacturer;
+		return 0;
 	}
 
 	return -ENOTSUPP;
 }
 
+static int spinand_id_detect(struct spinand_device *spinand)
+{
+	u8 *id = spinand->id.data;
+	int ret;
+
+	ret = spinand_read_id_op(spinand, 0, 0, id);
+	if (ret)
+		return ret;
+	ret = spinand_manufacturer_match(spinand, SPINAND_READID_METHOD_OPCODE);
+	if (!ret)
+		return 0;
+
+	ret = spinand_read_id_op(spinand, 1, 0, id);
+	if (ret)
+		return ret;
+	ret = spinand_manufacturer_match(spinand,
+					 SPINAND_READID_METHOD_OPCODE_ADDR);
+	if (!ret)
+		return 0;
+
+	ret = spinand_read_id_op(spinand, 0, 1, id);
+	if (ret)
+		return ret;
+	ret = spinand_manufacturer_match(spinand,
+					 SPINAND_READID_METHOD_OPCODE_DUMMY);
+
+	return ret;
+}
+
 static int spinand_manufacturer_init(struct spinand_device *spinand)
 {
 	if (spinand->manufacturer->ops->init)
@@ -909,9 +939,9 @@ spinand_select_op_variant(struct spinand
  * @spinand: SPI NAND object
  * @table: SPI NAND device description table
  * @table_size: size of the device description table
+ * @rdid_method: read id method to match
  *
- * Should be used by SPI NAND manufacturer drivers when they want to find a
- * match between a device ID retrieved through the READ_ID command and an
+ * Match between a device ID retrieved through the READ_ID command and an
  * entry in the SPI NAND description table. If a match is found, the spinand
  * object will be initialized with information provided by the matching
  * spinand_info entry.
@@ -920,8 +950,10 @@ spinand_select_op_variant(struct spinand
  */
 int spinand_match_and_init(struct spinand_device *spinand,
 			   const struct spinand_info *table,
-			   unsigned int table_size, u8 devid)
+			   unsigned int table_size,
+			   enum spinand_readid_method rdid_method)
 {
+	u8 *id = spinand->id.data;
 	struct nand_device *nand = spinand_to_nand(spinand);
 	unsigned int i;
 
@@ -929,13 +961,17 @@ int spinand_match_and_init(struct spinan
 		const struct spinand_info *info = &table[i];
 		const struct spi_mem_op *op;
 
-		if (devid != info->devid)
+		if (rdid_method != info->devid.method)
+			continue;
+
+		if (memcmp(id + 1, info->devid.id, info->devid.len))
 			continue;
 
 		nand->memorg = table[i].memorg;
 		nand->eccreq = table[i].eccreq;
 		spinand->eccinfo = table[i].eccinfo;
 		spinand->flags = table[i].flags;
+		spinand->id.len = 1 + table[i].devid.len;
 		spinand->select_target = table[i].select_target;
 
 		op = spinand_select_op_variant(spinand,
@@ -967,17 +1003,7 @@ static int spinand_detect(struct spinand
 	struct nand_device *nand = spinand_to_nand(spinand);
 	int ret;
 
-	ret = spinand_reset_op(spinand);
-	if (ret)
-		return ret;
-
-	ret = spinand_read_id_op(spinand, spinand->id.data);
-	if (ret)
-		return ret;
-
-	spinand->id.len = SPINAND_MAX_ID_LEN;
-
-	ret = spinand_manufacturer_detect(spinand);
+	ret = spinand_id_detect(spinand);
 	if (ret) {
 		dev_err(spinand->slave->dev, "unknown raw ID %02x %02x %02x %02x\n",
 			spinand->id.data[0], spinand->id.data[1],
--- /dev/null
+++ b/drivers/mtd/nand/spi/etron.c
@@ -0,0 +1,181 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2020 Etron Technology, Inc.
+ *
+ */
+#ifndef __UBOOT__
+#include <malloc.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#endif
+#include <linux/bug.h>
+#include <linux/mtd/spinand.h>
+
+#define SPINAND_MFR_ETRON		0xD5
+
+#define STATUS_ECC_LIMIT_BITFLIPS (3 << 4)
+
+static SPINAND_OP_VARIANTS(read_cache_variants,
+		SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
+
+static SPINAND_OP_VARIANTS(write_cache_variants,
+		SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
+		SPINAND_PROG_LOAD(true, 0, NULL, 0));
+
+static SPINAND_OP_VARIANTS(update_cache_variants,
+		SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
+		SPINAND_PROG_LOAD(false, 0, NULL, 0));
+
+static int etron_ooblayout_ecc(struct mtd_info *mtd, int section,
+				  struct mtd_oob_region *region)
+{
+	if (section > 3)
+		return -ERANGE;
+
+	region->offset = (14 * section) + 72;
+	region->length = 14;
+
+	return 0;
+}
+
+static int etron_ooblayout_free(struct mtd_info *mtd, int section,
+				   struct mtd_oob_region *region)
+{
+	if (section > 3)
+		return -ERANGE;
+
+	if (section) {
+		region->offset = 18 * section;
+		region->length = 18;
+	} else {
+		/* section 0 has one byte reserved for bad block mark */
+		region->offset = 2;
+		region->length = 16;
+	}
+	return 0;
+}
+
+static const struct mtd_ooblayout_ops etron_ooblayout = {
+	.ecc = etron_ooblayout_ecc,
+	.rfree = etron_ooblayout_free,
+};
+
+static int etron_ecc_get_status(struct spinand_device *spinand,
+				   u8 status)
+{
+	struct nand_device *nand = spinand_to_nand(spinand);
+
+	switch (status & STATUS_ECC_MASK) {
+	case STATUS_ECC_NO_BITFLIPS:
+		return 0;
+
+	case STATUS_ECC_UNCOR_ERROR:
+		return -EBADMSG;
+
+	case STATUS_ECC_HAS_BITFLIPS:
+		return nand->eccreq.strength >> 1;
+
+	case STATUS_ECC_LIMIT_BITFLIPS:
+		return nand->eccreq.strength;
+
+	default:
+		break;
+	}
+
+	return -EINVAL;
+}
+
+static const struct spinand_info etron_spinand_table[] = {
+	/* EM73C 1Gb 3.3V */
+	SPINAND_INFO("EM73C044VCF",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x25),
+		     NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
+		     NAND_ECCREQ(4, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)),
+	/* EM7xD 2Gb */
+	SPINAND_INFO("EM73D044VCR",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x41),
+		     NAND_MEMORG(1, 2048, 64, 64, 2048, 1, 1, 1),
+		     NAND_ECCREQ(4, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)),
+	SPINAND_INFO("EM73D044VCO",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x3A),
+		     NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)),
+	SPINAND_INFO("EM78D044VCM",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x8E),
+		     NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)),
+	/* EM7xE 4Gb */
+	SPINAND_INFO("EM73E044VCE",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x3B),
+		     NAND_MEMORG(1, 2048, 128, 64, 4096, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)),
+	SPINAND_INFO("EM78E044VCD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x8F),
+		     NAND_MEMORG(1, 2048, 128, 64, 4096, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)),
+	/* EM7xF044VCA 8Gb */
+	SPINAND_INFO("EM73F044VCA",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x15),
+		     NAND_MEMORG(1, 4096, 256, 64, 4096, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)),
+	SPINAND_INFO("EM78F044VCA",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x8D),
+		     NAND_MEMORG(1, 4096, 256, 64, 4096, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)),
+};
+
+static const struct spinand_manufacturer_ops etron_spinand_manuf_ops = {
+};
+
+const struct spinand_manufacturer etron_spinand_manufacturer = {
+	.id = SPINAND_MFR_ETRON,
+	.name = "Etron",
+	.chips = etron_spinand_table,
+	.nchips = ARRAY_SIZE(etron_spinand_table),
+	.ops = &etron_spinand_manuf_ops,
+};
--- a/drivers/mtd/nand/spi/gigadevice.c
+++ b/drivers/mtd/nand/spi/gigadevice.c
@@ -22,8 +22,13 @@
 
 #define GD5FXGQXXEXXG_REG_STATUS2		0xf0
 
+#define GD5FXGQ4UXFXXG_STATUS_ECC_MASK		(7 << 4)
+#define GD5FXGQ4UXFXXG_STATUS_ECC_NO_BITFLIPS	(0 << 4)
+#define GD5FXGQ4UXFXXG_STATUS_ECC_1_3_BITFLIPS	(1 << 4)
+#define GD5FXGQ4UXFXXG_STATUS_ECC_UNCOR_ERROR	(7 << 4)
+
 /* Q4 devices, QUADIO: Dummy bytes valid for 1 and 2 GBit variants */
-static SPINAND_OP_VARIANTS(gd5fxgq4_read_cache_variants,
+static SPINAND_OP_VARIANTS(read_cache_variants,
 		SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 1, NULL, 0),
 		SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
 		SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
@@ -31,8 +36,17 @@ static SPINAND_OP_VARIANTS(gd5fxgq4_read
 		SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
 		SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
 
-/* Q5 devices, QUADIO: Dummy bytes only valid for 1 GBit variants */
-static SPINAND_OP_VARIANTS(gd5f1gq5_read_cache_variants,
+static SPINAND_OP_VARIANTS(read_cache_variants_f,
+		SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_X4_OP_3A(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_X2_OP_3A(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_OP_3A(true, 0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_OP_3A(false, 0, 0, NULL, 0));
+
+/* For Q5 devices, QUADIO use different dummy byte settings */
+/* Q5 1Gb */
+static SPINAND_OP_VARIANTS(dummy2_read_cache_variants,
 		SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
 		SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
 		SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
@@ -40,6 +54,15 @@ static SPINAND_OP_VARIANTS(gd5f1gq5_read
 		SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
 		SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
 
+/* Q5 2Gb & 4Gb */
+static SPINAND_OP_VARIANTS(dummy4_read_cache_variants,
+		SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 4, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 2, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
+
 static SPINAND_OP_VARIANTS(write_cache_variants,
 		SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
 		SPINAND_PROG_LOAD(true, 0, NULL, 0));
@@ -48,7 +71,65 @@ static SPINAND_OP_VARIANTS(update_cache_
 		SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
 		SPINAND_PROG_LOAD(false, 0, NULL, 0));
 
-static int gd5fxgqxxexxg_ooblayout_ecc(struct mtd_info *mtd, int section,
+static int gd5fxgq4xa_ooblayout_ecc(struct mtd_info *mtd, int section,
+				  struct mtd_oob_region *region)
+{
+	if (section > 3)
+		return -ERANGE;
+
+	region->offset = (16 * section) + 8;
+	region->length = 8;
+
+	return 0;
+}
+
+static int gd5fxgq4xa_ooblayout_free(struct mtd_info *mtd, int section,
+				   struct mtd_oob_region *region)
+{
+	if (section > 3)
+		return -ERANGE;
+
+	if (section) {
+		region->offset = 16 * section;
+		region->length = 8;
+	} else {
+		/* section 0 has one byte reserved for bad block mark */
+		region->offset = 1;
+		region->length = 7;
+	}
+	return 0;
+}
+
+static const struct mtd_ooblayout_ops gd5fxgq4xa_ooblayout = {
+	.ecc = gd5fxgq4xa_ooblayout_ecc,
+	.rfree = gd5fxgq4xa_ooblayout_free,
+};
+
+static int gd5fxgq4xa_ecc_get_status(struct spinand_device *spinand,
+					 u8 status)
+{
+	switch (status & STATUS_ECC_MASK) {
+	case STATUS_ECC_NO_BITFLIPS:
+		return 0;
+
+	case GD5FXGQ4XA_STATUS_ECC_1_7_BITFLIPS:
+		/* 1-7 bits are flipped. return the maximum. */
+		return 7;
+
+	case GD5FXGQ4XA_STATUS_ECC_8_BITFLIPS:
+		return 8;
+
+	case STATUS_ECC_UNCOR_ERROR:
+		return -EBADMSG;
+
+	default:
+		break;
+	}
+
+	return -EINVAL;
+}
+
+static int gd5fxgqx_variant2_ooblayout_ecc(struct mtd_info *mtd, int section,
 				       struct mtd_oob_region *region)
 {
 	if (section)
@@ -60,7 +141,7 @@ static int gd5fxgqxxexxg_ooblayout_ecc(s
 	return 0;
 }
 
-static int gd5fxgqxxexxg_ooblayout_free(struct mtd_info *mtd, int section,
+static int gd5fxgqx_variant2_ooblayout_free(struct mtd_info *mtd, int section,
 					struct mtd_oob_region *region)
 {
 	if (section)
@@ -73,7 +154,13 @@ static int gd5fxgqxxexxg_ooblayout_free(
 	return 0;
 }
 
-static int gd5fxgq4xexxg_ecc_get_status(struct spinand_device *spinand,
+/* Valid for Q4/Q5 and Q6 (untested) devices */
+static const struct mtd_ooblayout_ops gd5fxgqx_variant2_ooblayout = {
+	.ecc = gd5fxgqx_variant2_ooblayout_ecc,
+	.rfree = gd5fxgqx_variant2_ooblayout_free,
+};
+
+static int gd5fxgq4uexxg_ecc_get_status(struct spinand_device *spinand,
 					u8 status)
 {
 	u8 status2;
@@ -152,59 +239,214 @@ static int gd5fxgq5xexxg_ecc_get_status(
 	return -EINVAL;
 }
 
-static const struct mtd_ooblayout_ops gd5fxgqxxexxg_ooblayout = {
-	.ecc = gd5fxgqxxexxg_ooblayout_ecc,
-	.rfree = gd5fxgqxxexxg_ooblayout_free,
+static int gd5fxgq4ufxxg_ecc_get_status(struct spinand_device *spinand,
+					u8 status)
+{
+	switch (status & GD5FXGQ4UXFXXG_STATUS_ECC_MASK) {
+	case GD5FXGQ4UXFXXG_STATUS_ECC_NO_BITFLIPS:
+		return 0;
+
+	case GD5FXGQ4UXFXXG_STATUS_ECC_1_3_BITFLIPS:
+		return 3;
+
+	case GD5FXGQ4UXFXXG_STATUS_ECC_UNCOR_ERROR:
+		return -EBADMSG;
+
+	default: /* (2 << 4) through (6 << 4) are 4-8 corrected errors */
+		return ((status & GD5FXGQ4UXFXXG_STATUS_ECC_MASK) >> 4) + 2;
+	}
+
+	return -EINVAL;
+}
+
+static int esmt_1_ooblayout_ecc(struct mtd_info *mtd, int section,
+				  struct mtd_oob_region *region)
+{
+	if (section > 3)
+		return -ERANGE;
+
+	region->offset = (16 * section) + 8;
+	region->length = 8;
+
+	return 0;
+}
+
+static int esmt_1_ooblayout_free(struct mtd_info *mtd, int section,
+				   struct mtd_oob_region *region)
+{
+	if (section > 3)
+		return -ERANGE;
+
+	region->offset = (16 * section) + 2;
+	region->length = 6;
+
+	return 0;
+}
+
+static const struct mtd_ooblayout_ops esmt_1_ooblayout = {
+	.ecc = esmt_1_ooblayout_ecc,
+	.rfree = esmt_1_ooblayout_free,
 };
 
 static const struct spinand_info gigadevice_spinand_table[] = {
-	SPINAND_INFO("GD5F1GQ4UExxG", 0xd1,
-		     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
+	SPINAND_INFO("F50L1G41LB",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x01),
+		     NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
-		     SPINAND_INFO_OP_VARIANTS(&gd5fxgq4_read_cache_variants,
+		     SPINAND_INFO_OP_VARIANTS(&dummy2_read_cache_variants,
 					      &write_cache_variants,
 					      &update_cache_variants),
 		     0,
-		     SPINAND_ECCINFO(&gd5fxgqxxexxg_ooblayout,
-				     gd5fxgq4xexxg_ecc_get_status)),
-	SPINAND_INFO("GD5F1GQ5UExxG", 0x51,
+		     SPINAND_ECCINFO(&esmt_1_ooblayout, NULL)),
+	SPINAND_INFO("GD5F1GQ4xA",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0xf1),
+		     NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&gd5fxgq4xa_ooblayout,
+				     gd5fxgq4xa_ecc_get_status)),
+	SPINAND_INFO("GD5F2GQ4xA",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0xf2),
+		     NAND_MEMORG(1, 2048, 64, 64, 2048, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&gd5fxgq4xa_ooblayout,
+				     gd5fxgq4xa_ecc_get_status)),
+	SPINAND_INFO("GD5F4GQ4xA",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0xf4),
+		     NAND_MEMORG(1, 2048, 64, 64, 4096, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&gd5fxgq4xa_ooblayout,
+				     gd5fxgq4xa_ecc_get_status)),
+	SPINAND_INFO("GD5F1GQ4UExxG",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0xd1),
+		     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout,
+				     gd5fxgq4uexxg_ecc_get_status)),
+	SPINAND_INFO("GD5F1GQ4UFxxG",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE, 0xb1, 0x48),
+		     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants_f,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout,
+				     gd5fxgq4ufxxg_ecc_get_status)),
+	SPINAND_INFO("GD5F1GQ5UExxG",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x51),
 		     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
 		     NAND_ECCREQ(4, 512),
-		     SPINAND_INFO_OP_VARIANTS(&gd5f1gq5_read_cache_variants,
+		     SPINAND_INFO_OP_VARIANTS(&dummy2_read_cache_variants,
 					      &write_cache_variants,
 					      &update_cache_variants),
-		     0,
-		     SPINAND_ECCINFO(&gd5fxgqxxexxg_ooblayout,
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout,
+				     gd5fxgq5xexxg_ecc_get_status)),
+	SPINAND_INFO("GD5F2GQ5UExxG",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x52),
+		     NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
+		     NAND_ECCREQ(4, 512),
+		     SPINAND_INFO_OP_VARIANTS(&dummy4_read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout,
+				     gd5fxgq5xexxg_ecc_get_status)),
+	SPINAND_INFO("GD5F4GQ6UExxG",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x55),
+		     NAND_MEMORG(1, 2048, 128, 64, 4096, 1, 1, 1),
+		     NAND_ECCREQ(4, 512),
+		     SPINAND_INFO_OP_VARIANTS(&dummy4_read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout,
+				     gd5fxgq5xexxg_ecc_get_status)),
+	SPINAND_INFO("GD5F1GM7UExxG",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x91),
+		     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout,
+				     gd5fxgq4uexxg_ecc_get_status)),
+	SPINAND_INFO("GD5F2GM7UExxG",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x92),
+			 NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
+			 NAND_ECCREQ(8, 512),
+			 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+			 SPINAND_HAS_QE_BIT,
+			 SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout,
+				     gd5fxgq4uexxg_ecc_get_status)),
+	SPINAND_INFO("GD5F4GM8UExxG",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x95),
+			 NAND_MEMORG(1, 2048, 128, 64, 4096, 1, 1, 1),
+			 NAND_ECCREQ(8, 512),
+			 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+			 SPINAND_HAS_QE_BIT,
+			 SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout,
+				     gd5fxgq4uexxg_ecc_get_status)),
+	SPINAND_INFO("GD5F1GQ5UExxH",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x31),
+			 NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
+			 NAND_ECCREQ(4, 512),
+			 SPINAND_INFO_OP_VARIANTS(&dummy2_read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+			 SPINAND_HAS_QE_BIT,
+			 SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout,
+				     gd5fxgq5xexxg_ecc_get_status)),
+	SPINAND_INFO("GD5F2GQ5UExxH",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x32),
+			 NAND_MEMORG(1, 2048, 64, 64, 2048, 1, 1, 1),
+			 NAND_ECCREQ(4, 512),
+			 SPINAND_INFO_OP_VARIANTS(&dummy4_read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+			 SPINAND_HAS_QE_BIT,
+			 SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout,
+				     gd5fxgq5xexxg_ecc_get_status)),
+	SPINAND_INFO("GD5F4GQ6UExxH",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x35),
+			 NAND_MEMORG(1, 2048, 64, 64, 4096, 1, 1, 1),
+			 NAND_ECCREQ(4, 512),
+			 SPINAND_INFO_OP_VARIANTS(&dummy4_read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+			 SPINAND_HAS_QE_BIT,
+			 SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout,
 				     gd5fxgq5xexxg_ecc_get_status)),
 };
 
-static int gigadevice_spinand_detect(struct spinand_device *spinand)
-{
-	u8 *id = spinand->id.data;
-	int ret;
-
-	/*
-	 * For GD NANDs, There is an address byte needed to shift in before IDs
-	 * are read out, so the first byte in raw_id is dummy.
-	 */
-	if (id[1] != SPINAND_MFR_GIGADEVICE)
-		return 0;
-
-	ret = spinand_match_and_init(spinand, gigadevice_spinand_table,
-				     ARRAY_SIZE(gigadevice_spinand_table),
-				     id[2]);
-	if (ret)
-		return ret;
-
-	return 1;
-}
-
 static const struct spinand_manufacturer_ops gigadevice_spinand_manuf_ops = {
-	.detect = gigadevice_spinand_detect,
 };
 
 const struct spinand_manufacturer gigadevice_spinand_manufacturer = {
 	.id = SPINAND_MFR_GIGADEVICE,
 	.name = "GigaDevice",
+	.chips = gigadevice_spinand_table,
+	.nchips = ARRAY_SIZE(gigadevice_spinand_table),
 	.ops = &gigadevice_spinand_manuf_ops,
 };
--- a/drivers/mtd/nand/spi/macronix.c
+++ b/drivers/mtd/nand/spi/macronix.c
@@ -105,7 +105,8 @@ static int mx35lf1ge4ab_ecc_get_status(s
 }
 
 static const struct spinand_info macronix_spinand_table[] = {
-	SPINAND_INFO("MX35LF1GE4AB", 0x12,
+	SPINAND_INFO("MX35LF1GE4AB",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x12),
 		     NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
 		     NAND_ECCREQ(4, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -114,7 +115,8 @@ static const struct spinand_info macroni
 		     SPINAND_HAS_QE_BIT,
 		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
 				     mx35lf1ge4ab_ecc_get_status)),
-	SPINAND_INFO("MX35LF2GE4AB", 0x22,
+	SPINAND_INFO("MX35LF2GE4AB",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x22),
 		     NAND_MEMORG(1, 2048, 64, 64, 2048, 2, 1, 1),
 		     NAND_ECCREQ(4, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -122,7 +124,96 @@ static const struct spinand_info macroni
 					      &update_cache_variants),
 		     SPINAND_HAS_QE_BIT,
 		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)),
-	SPINAND_INFO("MX35UF4GE4AD", 0xb7,
+	SPINAND_INFO("MX35LF2GE4AD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x26),
+		     NAND_MEMORG(1, 2048, 64, 64, 2048, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
+				     mx35lf1ge4ab_ecc_get_status)),
+	SPINAND_INFO("MX35LF4GE4AD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x37),
+		     NAND_MEMORG(1, 4096, 128, 64, 2048, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
+				     mx35lf1ge4ab_ecc_get_status)),
+	SPINAND_INFO("MX35LF1G24AD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x14),
+		     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)),
+	SPINAND_INFO("MX35LF2G24AD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x24),
+		     NAND_MEMORG(1, 2048, 128, 64, 2048, 2, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)),
+	SPINAND_INFO("MX35LF4G24AD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x35),
+		     NAND_MEMORG(1, 4096, 256, 64, 2048, 2, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)),
+	SPINAND_INFO("MX31LF1GE4BC",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x1e),
+		     NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
+				     mx35lf1ge4ab_ecc_get_status)),
+	SPINAND_INFO("MX31UF1GE4BC",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x9e),
+		     NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
+				     mx35lf1ge4ab_ecc_get_status)),
+
+	SPINAND_INFO("MX35LF2G14AC",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x20),
+		     NAND_MEMORG(1, 2048, 64, 64, 2048, 2, 1, 1),
+		     NAND_ECCREQ(4, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
+				     mx35lf1ge4ab_ecc_get_status)),
+	SPINAND_INFO("MX35UF4G24AD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xb5),
+		     NAND_MEMORG(1, 4096, 256, 64, 2048, 2, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
+				     mx35lf1ge4ab_ecc_get_status)),
+	SPINAND_INFO("MX35UF4GE4AD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xb7),
 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -131,7 +222,28 @@ static const struct spinand_info macroni
 		     SPINAND_HAS_QE_BIT,
 		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
 				     mx35lf1ge4ab_ecc_get_status)),
-	SPINAND_INFO("MX35UF2GE4AD", 0xa6,
+	SPINAND_INFO("MX35UF2G14AC",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xa0),
+		     NAND_MEMORG(1, 2048, 64, 64, 2048, 2, 1, 1),
+		     NAND_ECCREQ(4, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
+				     mx35lf1ge4ab_ecc_get_status)),
+	SPINAND_INFO("MX35UF2G24AD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xa4),
+		     NAND_MEMORG(1, 2048, 128, 64, 2048, 2, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
+				     mx35lf1ge4ab_ecc_get_status)),
+	SPINAND_INFO("MX35UF2GE4AD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xa6),
 		     NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -140,16 +252,28 @@ static const struct spinand_info macroni
 		     SPINAND_HAS_QE_BIT,
 		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
 				     mx35lf1ge4ab_ecc_get_status)),
-	SPINAND_INFO("MX35UF2GE4AC", 0xa2,
+	SPINAND_INFO("MX35UF2GE4AC",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xa2),
 		     NAND_MEMORG(1, 2048, 64, 64, 2048, 1, 1, 1),
 		     NAND_ECCREQ(4, 512),
+			 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
+				     mx35lf1ge4ab_ecc_get_status)),
+	SPINAND_INFO("MX35UF1G14AC",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x90),
+		     NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
+		     NAND_ECCREQ(4, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
 					      &write_cache_variants,
 					      &update_cache_variants),
 		     SPINAND_HAS_QE_BIT,
 		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
 				     mx35lf1ge4ab_ecc_get_status)),
-	SPINAND_INFO("MX35UF1GE4AD", 0x96,
+	SPINAND_INFO("MX35UF1G24AD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x94),
 		     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -158,7 +282,18 @@ static const struct spinand_info macroni
 		     SPINAND_HAS_QE_BIT,
 		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
 				     mx35lf1ge4ab_ecc_get_status)),
-	SPINAND_INFO("MX35UF1GE4AC", 0x92,
+	SPINAND_INFO("MX35UF1GE4AD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x96),
+		     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     SPINAND_HAS_QE_BIT,
+		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
+				     mx35lf1ge4ab_ecc_get_status)),
+	SPINAND_INFO("MX35UF1GE4AC",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x92),
 		     NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
 		     NAND_ECCREQ(4, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -170,33 +305,13 @@ static const struct spinand_info macroni
 
 };
 
-static int macronix_spinand_detect(struct spinand_device *spinand)
-{
-	u8 *id = spinand->id.data;
-	int ret;
-
-	/*
-	 * Macronix SPI NAND read ID needs a dummy byte, so the first byte in
-	 * raw_id is garbage.
-	 */
-	if (id[1] != SPINAND_MFR_MACRONIX)
-		return 0;
-
-	ret = spinand_match_and_init(spinand, macronix_spinand_table,
-				     ARRAY_SIZE(macronix_spinand_table),
-				     id[2]);
-	if (ret)
-		return ret;
-
-	return 1;
-}
-
 static const struct spinand_manufacturer_ops macronix_spinand_manuf_ops = {
-	.detect = macronix_spinand_detect,
 };
 
 const struct spinand_manufacturer macronix_spinand_manufacturer = {
 	.id = SPINAND_MFR_MACRONIX,
 	.name = "Macronix",
+	.chips = macronix_spinand_table,
+	.nchips = ARRAY_SIZE(macronix_spinand_table),
 	.ops = &macronix_spinand_manuf_ops,
 };
--- a/drivers/mtd/nand/spi/micron.c
+++ b/drivers/mtd/nand/spi/micron.c
@@ -120,7 +120,8 @@ static int micron_8_ecc_get_status(struc
 
 static const struct spinand_info micron_spinand_table[] = {
 	/* M79A 2Gb 3.3V */
-	SPINAND_INFO("MT29F2G01ABAGD", 0x24,
+	SPINAND_INFO("MT29F2G01ABAGD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x24),
 		     NAND_MEMORG(1, 2048, 128, 64, 2048, 2, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -130,7 +131,8 @@ static const struct spinand_info micron_
 		     SPINAND_ECCINFO(&micron_8_ooblayout,
 				     micron_8_ecc_get_status)),
 	/* M79A 2Gb 1.8V */
-	SPINAND_INFO("MT29F2G01ABBGD", 0x25,
+	SPINAND_INFO("MT29F2G01ABBGD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x25),
 		     NAND_MEMORG(1, 2048, 128, 64, 2048, 2, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -140,7 +142,8 @@ static const struct spinand_info micron_
 		     SPINAND_ECCINFO(&micron_8_ooblayout,
 				     micron_8_ecc_get_status)),
 	/* M78A 1Gb 3.3V */
-	SPINAND_INFO("MT29F1G01ABAFD", 0x14,
+	SPINAND_INFO("MT29F1G01ABAFD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x14),
 		     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -150,7 +153,8 @@ static const struct spinand_info micron_
 		     SPINAND_ECCINFO(&micron_8_ooblayout,
 				     micron_8_ecc_get_status)),
 	/* M78A 1Gb 1.8V */
-	SPINAND_INFO("MT29F1G01ABAFD", 0x15,
+	SPINAND_INFO("MT29F1G01ABAFD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x15),
 		     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -160,7 +164,8 @@ static const struct spinand_info micron_
 		     SPINAND_ECCINFO(&micron_8_ooblayout,
 				     micron_8_ecc_get_status)),
 	/* M79A 4Gb 3.3V */
-	SPINAND_INFO("MT29F4G01ADAGD", 0x36,
+	SPINAND_INFO("MT29F4G01ADAGD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x36),
 		     NAND_MEMORG(1, 2048, 128, 64, 2048, 2, 1, 2),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -171,7 +176,8 @@ static const struct spinand_info micron_
 				     micron_8_ecc_get_status),
 		     SPINAND_SELECT_TARGET(micron_select_target)),
 	/* M70A 4Gb 3.3V */
-	SPINAND_INFO("MT29F4G01ABAFD", 0x34,
+	SPINAND_INFO("MT29F4G01ABAFD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x34),
 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -181,7 +187,8 @@ static const struct spinand_info micron_
 		     SPINAND_ECCINFO(&micron_8_ooblayout,
 				     micron_8_ecc_get_status)),
 	/* M70A 4Gb 1.8V */
-	SPINAND_INFO("MT29F4G01ABBFD", 0x35,
+	SPINAND_INFO("MT29F4G01ABBFD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x35),
 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -191,7 +198,8 @@ static const struct spinand_info micron_
 		     SPINAND_ECCINFO(&micron_8_ooblayout,
 				     micron_8_ecc_get_status)),
 	/* M70A 8Gb 3.3V */
-	SPINAND_INFO("MT29F8G01ADAFD", 0x46,
+	SPINAND_INFO("MT29F8G01ADAFD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x46),
 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 2),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -202,7 +210,8 @@ static const struct spinand_info micron_
 				     micron_8_ecc_get_status),
 		     SPINAND_SELECT_TARGET(micron_select_target)),
 	/* M70A 8Gb 1.8V */
-	SPINAND_INFO("MT29F8G01ADBFD", 0x47,
+	SPINAND_INFO("MT29F8G01ADBFD",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x47),
 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 2),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -214,26 +223,6 @@ static const struct spinand_info micron_
 		     SPINAND_SELECT_TARGET(micron_select_target)),
 };
 
-static int micron_spinand_detect(struct spinand_device *spinand)
-{
-	u8 *id = spinand->id.data;
-	int ret;
-
-	/*
-	 * Micron SPI NAND read ID need a dummy byte,
-	 * so the first byte in raw_id is dummy.
-	 */
-	if (id[1] != SPINAND_MFR_MICRON)
-		return 0;
-
-	ret = spinand_match_and_init(spinand, micron_spinand_table,
-				     ARRAY_SIZE(micron_spinand_table), id[2]);
-	if (ret)
-		return ret;
-
-	return 1;
-}
-
 static int micron_spinand_init(struct spinand_device *spinand)
 {
 	/*
@@ -248,12 +237,13 @@ static int micron_spinand_init(struct sp
 }
 
 static const struct spinand_manufacturer_ops micron_spinand_manuf_ops = {
-	.detect = micron_spinand_detect,
 	.init = micron_spinand_init,
 };
 
 const struct spinand_manufacturer micron_spinand_manufacturer = {
 	.id = SPINAND_MFR_MICRON,
 	.name = "Micron",
+	.chips = micron_spinand_table,
+	.nchips = ARRAY_SIZE(micron_spinand_table),
 	.ops = &micron_spinand_manuf_ops,
 };
--- a/drivers/mtd/nand/spi/toshiba.c
+++ b/drivers/mtd/nand/spi/toshiba.c
@@ -111,7 +111,8 @@ static int tx58cxgxsxraix_ecc_get_status
 
 static const struct spinand_info toshiba_spinand_table[] = {
 	/* 3.3V 1Gb (1st generation) */
-	SPINAND_INFO("TC58CVG0S3HRAIG", 0xC2,
+	SPINAND_INFO("TC58CVG0S3HRAIG",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xC2),
 		     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -121,7 +122,8 @@ static const struct spinand_info toshiba
 		     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
 				     tx58cxgxsxraix_ecc_get_status)),
 	/* 3.3V 2Gb (1st generation) */
-	SPINAND_INFO("TC58CVG1S3HRAIG", 0xCB,
+	SPINAND_INFO("TC58CVG1S3HRAIG",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xCB),
 		     NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -131,7 +133,8 @@ static const struct spinand_info toshiba
 		     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
 				     tx58cxgxsxraix_ecc_get_status)),
 	/* 3.3V 4Gb (1st generation) */
-	SPINAND_INFO("TC58CVG2S0HRAIG", 0xCD,
+	SPINAND_INFO("TC58CVG2S0HRAIG",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xCD),
 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -141,7 +144,8 @@ static const struct spinand_info toshiba
 		     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
 				     tx58cxgxsxraix_ecc_get_status)),
 	/* 1.8V 1Gb (1st generation) */
-	SPINAND_INFO("TC58CYG0S3HRAIG", 0xB2,
+	SPINAND_INFO("TC58CYG0S3HRAIG",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xB2),
 		     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -151,7 +155,8 @@ static const struct spinand_info toshiba
 		     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
 				     tx58cxgxsxraix_ecc_get_status)),
 	/* 1.8V 2Gb (1st generation) */
-	SPINAND_INFO("TC58CYG1S3HRAIG", 0xBB,
+	SPINAND_INFO("TC58CYG1S3HRAIG",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xBB),
 		     NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -161,7 +166,8 @@ static const struct spinand_info toshiba
 		     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
 				     tx58cxgxsxraix_ecc_get_status)),
 	/* 1.8V 4Gb (1st generation) */
-	SPINAND_INFO("TC58CYG2S0HRAIG", 0xBD,
+	SPINAND_INFO("TC58CYG2S0HRAIG",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xBD),
 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -176,7 +182,8 @@ static const struct spinand_info toshiba
 	 * QE_BIT.
 	 */
 	/* 3.3V 1Gb (2nd generation) */
-	SPINAND_INFO("TC58CVG0S3HRAIJ", 0xE2,
+	SPINAND_INFO("TC58CVG0S3HRAIJ",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xE2),
 		     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -186,7 +193,8 @@ static const struct spinand_info toshiba
 		     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
 				     tx58cxgxsxraix_ecc_get_status)),
 	/* 3.3V 2Gb (2nd generation) */
-	SPINAND_INFO("TC58CVG1S3HRAIJ", 0xEB,
+	SPINAND_INFO("TC58CVG1S3HRAIJ",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xEB),
 		     NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -196,7 +204,8 @@ static const struct spinand_info toshiba
 		     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
 				     tx58cxgxsxraix_ecc_get_status)),
 	/* 3.3V 4Gb (2nd generation) */
-	SPINAND_INFO("TC58CVG2S0HRAIJ", 0xED,
+	SPINAND_INFO("TC58CVG2S0HRAIJ",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xED),
 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -206,7 +215,8 @@ static const struct spinand_info toshiba
 		     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
 				     tx58cxgxsxraix_ecc_get_status)),
 	/* 3.3V 8Gb (2nd generation) */
-	SPINAND_INFO("TH58CVG3S0HRAIJ", 0xE4,
+	SPINAND_INFO("TH58CVG3S0HRAIJ",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xE4),
 		     NAND_MEMORG(1, 4096, 256, 64, 4096, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -216,7 +226,8 @@ static const struct spinand_info toshiba
 		     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
 				     tx58cxgxsxraix_ecc_get_status)),
 	/* 1.8V 1Gb (2nd generation) */
-	SPINAND_INFO("TC58CYG0S3HRAIJ", 0xD2,
+	SPINAND_INFO("TC58CYG0S3HRAIJ",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xD2),
 		     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -226,7 +237,8 @@ static const struct spinand_info toshiba
 		     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
 				     tx58cxgxsxraix_ecc_get_status)),
 	/* 1.8V 2Gb (2nd generation) */
-	SPINAND_INFO("TC58CYG1S3HRAIJ", 0xDB,
+	SPINAND_INFO("TC58CYG1S3HRAIJ",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xDB),
 		     NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -236,7 +248,8 @@ static const struct spinand_info toshiba
 		     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
 				     tx58cxgxsxraix_ecc_get_status)),
 	/* 1.8V 4Gb (2nd generation) */
-	SPINAND_INFO("TC58CYG2S0HRAIJ", 0xDD,
+	SPINAND_INFO("TC58CYG2S0HRAIJ",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xDD),
 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -246,7 +259,8 @@ static const struct spinand_info toshiba
 		     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
 				     tx58cxgxsxraix_ecc_get_status)),
 	/* 1.8V 8Gb (2nd generation) */
-	SPINAND_INFO("TH58CYG3S0HRAIJ", 0xD4,
+	SPINAND_INFO("TH58CYG3S0HRAIJ",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xD4),
 		     NAND_MEMORG(1, 4096, 256, 64, 4096, 1, 1, 1),
 		     NAND_ECCREQ(8, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -257,33 +271,13 @@ static const struct spinand_info toshiba
 				     tx58cxgxsxraix_ecc_get_status)),
 };
 
-static int toshiba_spinand_detect(struct spinand_device *spinand)
-{
-	u8 *id = spinand->id.data;
-	int ret;
-
-	/*
-	 * Toshiba SPI NAND read ID needs a dummy byte,
-	 * so the first byte in id is garbage.
-	 */
-	if (id[1] != SPINAND_MFR_TOSHIBA)
-		return 0;
-
-	ret = spinand_match_and_init(spinand, toshiba_spinand_table,
-				     ARRAY_SIZE(toshiba_spinand_table),
-				     id[2]);
-	if (ret)
-		return ret;
-
-	return 1;
-}
-
 static const struct spinand_manufacturer_ops toshiba_spinand_manuf_ops = {
-	.detect = toshiba_spinand_detect,
 };
 
 const struct spinand_manufacturer toshiba_spinand_manufacturer = {
 	.id = SPINAND_MFR_TOSHIBA,
 	.name = "Toshiba",
+	.chips = toshiba_spinand_table,
+	.nchips = ARRAY_SIZE(toshiba_spinand_table),
 	.ops = &toshiba_spinand_manuf_ops,
 };
--- a/drivers/mtd/nand/spi/winbond.c
+++ b/drivers/mtd/nand/spi/winbond.c
@@ -19,6 +19,23 @@
 
 #define WINBOND_CFG_BUF_READ		BIT(3)
 
+#define W25N02_N04KV_STATUS_ECC_MASK		(3 << 4)
+#define W25N02_N04KV_STATUS_ECC_NO_BITFLIPS	(0 << 4)
+#define W25N02_N04KV_STATUS_ECC_1_4_BITFLIPS	(1 << 4)
+#define W25N02_N04KV_STATUS_ECC_5_8_BITFLIPS	(3 << 4)
+#define W25N02_N04KV_STATUS_ECC_UNCOR_ERROR	(2 << 4)
+
+#define W25N01_M02GV_STATUS_ECC_MASK		(3 << 4)
+#define W25N01_M02GV_STATUS_ECC_NO_BITFLIPS	(0 << 4)
+#define W25N01_M02GV_STATUS_ECC_1_BITFLIPS	(1 << 4)
+#define W25N01_M02GV_STATUS_ECC_UNCOR_ERROR	(2 << 4)
+
+#define W25N01KV_STATUS_ECC_MASK		(3 << 4)
+#define W25N01KV_STATUS_ECC_NO_BITFLIPS		(0 << 4)
+#define W25N01KV_STATUS_ECC_1_3_BITFLIPS	(1 << 4)
+#define W25N01KV_STATUS_ECC_4_BITFLIPS		(3 << 4)
+#define W25N01KV_STATUS_ECC_UNCOR_ERROR		(2 << 4)
+
 static SPINAND_OP_VARIANTS(read_cache_variants,
 		SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
 		SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
@@ -35,6 +52,35 @@ static SPINAND_OP_VARIANTS(update_cache_
 		SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
 		SPINAND_PROG_LOAD(false, 0, NULL, 0));
 
+static int w25n02kv_n04kv_ooblayout_ecc(struct mtd_info *mtd, int section,
+				  struct mtd_oob_region *region)
+{
+	if (section > 3)
+		return -ERANGE;
+
+	region->offset = (16 * section) + 64;
+	region->length = 16;
+
+	return 0;
+}
+
+static int w25n02kv_n04kv_ooblayout_free(struct mtd_info *mtd, int section,
+				   struct mtd_oob_region *region)
+{
+	if (section > 3)
+		return -ERANGE;
+
+	region->offset = (16 * section) + 2;
+	region->length = 14;
+
+	return 0;
+}
+
+static const struct mtd_ooblayout_ops w25n02kv_n04kv_ooblayout = {
+	.ecc = w25n02kv_n04kv_ooblayout_ecc,
+	.rfree = w25n02kv_n04kv_ooblayout_free,
+};
+
 static int w25m02gv_ooblayout_ecc(struct mtd_info *mtd, int section,
 				  struct mtd_oob_region *region)
 {
@@ -78,8 +124,61 @@ static int w25m02gv_select_target(struct
 	return spi_mem_exec_op(spinand->slave, &op);
 }
 
+static int w25n01kv_ecc_get_status(struct spinand_device *spinand,
+					u8 status)
+{
+	switch (status & W25N01KV_STATUS_ECC_MASK) {
+	case W25N01KV_STATUS_ECC_NO_BITFLIPS:
+		return 0;
+
+	case W25N01KV_STATUS_ECC_1_3_BITFLIPS:
+		return 3;
+
+	case W25N01KV_STATUS_ECC_4_BITFLIPS:
+		return 4;
+
+	case W25N01KV_STATUS_ECC_UNCOR_ERROR:
+		return -EBADMSG;
+
+	default:
+		break;
+	}
+
+	return -EINVAL;
+}
+
+static int w25n02kv_n04kv_ecc_get_status(struct spinand_device *spinand,
+					u8 status)
+{
+	switch (status & W25N02_N04KV_STATUS_ECC_MASK) {
+	case W25N02_N04KV_STATUS_ECC_NO_BITFLIPS:
+		return 0;
+
+	case W25N02_N04KV_STATUS_ECC_1_4_BITFLIPS:
+		return 3;
+
+	case W25N02_N04KV_STATUS_ECC_5_8_BITFLIPS:
+		return 4;
+
+	/* W25N02_N04KV_use internal 8bit ECC algorithm.
+	 * But the ECC strength is 4 bit requried.
+	 * Return 3 if the bit bit flip count less than 5.
+	 * Return 4 if the bit bit flip count more than 5 to 8.
+	*/
+
+	case W25N02_N04KV_STATUS_ECC_UNCOR_ERROR:
+		return -EBADMSG;
+
+	default:
+		break;
+	}
+
+	return -EINVAL;
+}
+
 static const struct spinand_info winbond_spinand_table[] = {
-	SPINAND_INFO("W25M02GV", 0xAB,
+	SPINAND_INFO("W25M02GV",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xab, 0x21),
 		     NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 2),
 		     NAND_ECCREQ(1, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -88,7 +187,17 @@ static const struct spinand_info winbond
 		     0,
 		     SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL),
 		     SPINAND_SELECT_TARGET(w25m02gv_select_target)),
-	SPINAND_INFO("W25N01GV", 0xAA,
+	SPINAND_INFO("W25N01KV",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xae, 0x21),
+		     NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
+		     NAND_ECCREQ(4, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&w25n02kv_n04kv_ooblayout, w25n01kv_ecc_get_status)),
+	SPINAND_INFO("W25N01GV",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x21),
 		     NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
 		     NAND_ECCREQ(1, 512),
 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
@@ -96,32 +205,30 @@ static const struct spinand_info winbond
 					      &update_cache_variants),
 		     0,
 		     SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL)),
-};
-
-/**
- * winbond_spinand_detect - initialize device related part in spinand_device
- * struct if it is a Winbond device.
- * @spinand: SPI NAND device structure
- */
-static int winbond_spinand_detect(struct spinand_device *spinand)
-{
-	u8 *id = spinand->id.data;
-	int ret;
-
-	/*
-	 * Winbond SPI NAND read ID need a dummy byte,
-	 * so the first byte in raw_id is dummy.
+	SPINAND_INFO("W25N02KV",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
+		     NAND_MEMORG(1, 2048, 128, 64, 2048, 2, 1, 1),
+		     NAND_ECCREQ(4, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&w25n02kv_n04kv_ooblayout,
+				     w25n02kv_n04kv_ecc_get_status)),
+	/* W25N04KV has 2-die(lun), however, it can select die automatically.
+	 * Treat it as single die here and double block size.
 	 */
-	if (id[1] != SPINAND_MFR_WINBOND)
-		return 0;
-
-	ret = spinand_match_and_init(spinand, winbond_spinand_table,
-				     ARRAY_SIZE(winbond_spinand_table), id[2]);
-	if (ret)
-		return ret;
-
-	return 1;
-}
+	SPINAND_INFO("W25N04KV",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x23),
+		     NAND_MEMORG(1, 2048, 128, 64, 4096, 2, 1, 1),
+		     NAND_ECCREQ(4, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&w25n02kv_n04kv_ooblayout,
+				     w25n02kv_n04kv_ecc_get_status)),
+};
 
 static int winbond_spinand_init(struct spinand_device *spinand)
 {
@@ -142,12 +249,13 @@ static int winbond_spinand_init(struct s
 }
 
 static const struct spinand_manufacturer_ops winbond_spinand_manuf_ops = {
-	.detect = winbond_spinand_detect,
 	.init = winbond_spinand_init,
 };
 
 const struct spinand_manufacturer winbond_spinand_manufacturer = {
 	.id = SPINAND_MFR_WINBOND,
 	.name = "Winbond",
+	.chips = winbond_spinand_table,
+	.nchips = ARRAY_SIZE(winbond_spinand_table),
 	.ops = &winbond_spinand_manuf_ops,
 };
--- a/include/linux/mtd/spinand.h
+++ b/include/linux/mtd/spinand.h
@@ -39,15 +39,15 @@
 		   SPI_MEM_OP_NO_DUMMY,					\
 		   SPI_MEM_OP_NO_DATA)
 
-#define SPINAND_READID_OP(ndummy, buf, len)				\
+#define SPINAND_READID_OP(naddr, ndummy, buf, len)			\
 	SPI_MEM_OP(SPI_MEM_OP_CMD(0x9f, 1),				\
-		   SPI_MEM_OP_NO_ADDR,					\
+		   SPI_MEM_OP_ADDR(naddr, 0, 1),			\
 		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
 		   SPI_MEM_OP_DATA_IN(len, buf, 1))
 
 #define SPINAND_SET_FEATURE_OP(reg, valptr)				\
 	SPI_MEM_OP(SPI_MEM_OP_CMD(0x1f, 1),				\
-		   SPI_MEM_OP_ADDR(1, reg, 1),				\
+		   SPI_MEM_OP_ADDR(1, reg, 1),					\
 		   SPI_MEM_OP_NO_DUMMY,					\
 		   SPI_MEM_OP_DATA_OUT(1, valptr, 1))
 
@@ -75,18 +75,36 @@
 		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
 		   SPI_MEM_OP_DATA_IN(len, buf, 1))
 
+#define SPINAND_PAGE_READ_FROM_CACHE_OP_3A(fast, addr, ndummy, buf, len)\
+	SPI_MEM_OP(SPI_MEM_OP_CMD(fast ? 0x0b : 0x03, 1),		\
+		   SPI_MEM_OP_ADDR(3, addr, 1),				\
+		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
+		   SPI_MEM_OP_DATA_IN(len, buf, 1))
+
 #define SPINAND_PAGE_READ_FROM_CACHE_X2_OP(addr, ndummy, buf, len)	\
 	SPI_MEM_OP(SPI_MEM_OP_CMD(0x3b, 1),				\
 		   SPI_MEM_OP_ADDR(2, addr, 1),				\
 		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
 		   SPI_MEM_OP_DATA_IN(len, buf, 2))
 
+#define SPINAND_PAGE_READ_FROM_CACHE_X2_OP_3A(addr, ndummy, buf, len)	\
+	SPI_MEM_OP(SPI_MEM_OP_CMD(0x3b, 1),				\
+		   SPI_MEM_OP_ADDR(3, addr, 1),				\
+		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
+		   SPI_MEM_OP_DATA_IN(len, buf, 2))
+
 #define SPINAND_PAGE_READ_FROM_CACHE_X4_OP(addr, ndummy, buf, len)	\
 	SPI_MEM_OP(SPI_MEM_OP_CMD(0x6b, 1),				\
 		   SPI_MEM_OP_ADDR(2, addr, 1),				\
 		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
 		   SPI_MEM_OP_DATA_IN(len, buf, 4))
 
+#define SPINAND_PAGE_READ_FROM_CACHE_X4_OP_3A(addr, ndummy, buf, len)	\
+	SPI_MEM_OP(SPI_MEM_OP_CMD(0x6b, 1),				\
+		   SPI_MEM_OP_ADDR(3, addr, 1),				\
+		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
+		   SPI_MEM_OP_DATA_IN(len, buf, 4))
+
 #define SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(addr, ndummy, buf, len)	\
 	SPI_MEM_OP(SPI_MEM_OP_CMD(0xbb, 1),				\
 		   SPI_MEM_OP_ADDR(2, addr, 2),				\
@@ -153,37 +171,46 @@ struct spinand_device;
  * @data: buffer containing the id bytes. Currently 4 bytes large, but can
  *	  be extended if required
  * @len: ID length
- *
- * struct_spinand_id->data contains all bytes returned after a READ_ID command,
- * including dummy bytes if the chip does not emit ID bytes right after the
- * READ_ID command. The responsibility to extract real ID bytes is left to
- * struct_manufacurer_ops->detect().
  */
 struct spinand_id {
 	u8 data[SPINAND_MAX_ID_LEN];
 	int len;
 };
 
+enum spinand_readid_method {
+	SPINAND_READID_METHOD_OPCODE,
+	SPINAND_READID_METHOD_OPCODE_ADDR,
+	SPINAND_READID_METHOD_OPCODE_DUMMY,
+};
+
+/**
+ * struct spinand_devid - SPI NAND device id structure
+ * @id: device id of current chip
+ * @len: number of bytes in device id
+ * @method: method to read chip id
+ *	    There are 3 possible variants:
+ *	    SPINAND_READID_METHOD_OPCODE: chip id is returned immediately
+ *	    after read_id opcode.
+ *	    SPINAND_READID_METHOD_OPCODE_ADDR: chip id is returned after
+ *	    read_id opcode + 1-byte address.
+ *	    SPINAND_READID_METHOD_OPCODE_DUMMY: chip id is returned after
+ *	    read_id opcode + 1 dummy byte.
+ */
+struct spinand_devid {
+	const u8 *id;
+	const u8 len;
+	const enum spinand_readid_method method;
+};
+
 /**
  * struct manufacurer_ops - SPI NAND manufacturer specific operations
- * @detect: detect a SPI NAND device. Every time a SPI NAND device is probed
- *	    the core calls the struct_manufacurer_ops->detect() hook of each
- *	    registered manufacturer until one of them return 1. Note that
- *	    the first thing to check in this hook is that the manufacturer ID
- *	    in struct_spinand_device->id matches the manufacturer whose
- *	    ->detect() hook has been called. Should return 1 if there's a
- *	    match, 0 if the manufacturer ID does not match and a negative
- *	    error code otherwise. When true is returned, the core assumes
- *	    that properties of the NAND chip (spinand->base.memorg and
- *	    spinand->base.eccreq) have been filled
  * @init: initialize a SPI NAND device
  * @cleanup: cleanup a SPI NAND device
  *
  * Each SPI NAND manufacturer driver should implement this interface so that
- * NAND chips coming from this vendor can be detected and initialized properly.
+ * NAND chips coming from this vendor can be initialized properly.
  */
 struct spinand_manufacturer_ops {
-	int (*detect)(struct spinand_device *spinand);
 	int (*init)(struct spinand_device *spinand);
 	void (*cleanup)(struct spinand_device *spinand);
 };
@@ -192,15 +219,21 @@ struct spinand_manufacturer_ops {
  * struct spinand_manufacturer - SPI NAND manufacturer instance
  * @id: manufacturer ID
  * @name: manufacturer name
+ * @devid_len: number of bytes in device ID
+ * @chips: supported SPI NANDs under current manufacturer
+ * @nchips: number of SPI NANDs available in chips array
  * @ops: manufacturer operations
  */
 struct spinand_manufacturer {
 	u8 id;
 	char *name;
+	const struct spinand_info *chips;
+	const size_t nchips;
 	const struct spinand_manufacturer_ops *ops;
 };
 
 /* SPI NAND manufacturers */
+extern const struct spinand_manufacturer etron_spinand_manufacturer;
 extern const struct spinand_manufacturer gigadevice_spinand_manufacturer;
 extern const struct spinand_manufacturer macronix_spinand_manufacturer;
 extern const struct spinand_manufacturer micron_spinand_manufacturer;
@@ -268,7 +301,7 @@ struct spinand_ecc_info {
  */
 struct spinand_info {
 	const char *model;
-	u8 devid;
+	struct spinand_devid devid;
 	u32 flags;
 	struct nand_memory_organization memorg;
 	struct nand_ecc_req eccreq;
@@ -282,6 +315,13 @@ struct spinand_info {
 			     unsigned int target);
 };
 
+#define SPINAND_ID(__method, ...)					\
+	{								\
+		.id = (const u8[]){ __VA_ARGS__ },			\
+		.len = sizeof((u8[]){ __VA_ARGS__ }),			\
+		.method = __method,					\
+	}
+
 #define SPINAND_INFO_OP_VARIANTS(__read, __write, __update)		\
 	{								\
 		.read_cache = __read,					\
@@ -440,9 +480,10 @@ static inline void spinand_set_ofnode(st
 }
 #endif /* __UBOOT__ */
 
-int spinand_match_and_init(struct spinand_device *dev,
+int spinand_match_and_init(struct spinand_device *spinand,
 			   const struct spinand_info *table,
-			   unsigned int table_size, u8 devid);
+			   unsigned int table_size,
+			   enum spinand_readid_method rdid_method);
 
 int spinand_upd_cfg(struct spinand_device *spinand, u8 mask, u8 val);
 int spinand_select_target(struct spinand_device *spinand, unsigned int target);
